For the following questions answer them individually
A's height is 5/$$8^{th}$$ of B's height. What is the ratio of B's height to A's height?
A man travelling by bus finds that the bus crosses 35 electric poles in 1 minute and the distance between 2 poles is 50 metres. Find the speed of the bus.
Two-thirds of children are in the age group 1-12 years. Of this, if three-fourths are in the age group of 1-8 years find the fraction of children in the age group of 9-12 years?
In a company 10 employees get a salary of Rs. 36,200 each and 15 employees get a salary of Rs. 33,550 each. What is the average salary per employee?
Ram is 4 times his son's age today. Five years hence, Ram will be thrice his son's age. Find their current ages?